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Yftisite-(Y) Mineral Data
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General Yftisite-(Y) Information
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 Chemical Formula: |
(Y,Dy,Er)4(Ti,Sn)O(SiO4)2(F,OH)6 |
| Composition: |
Molecular Weight = 753.13 gm |
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Dysprosium 6.47 % Dy 7.43 % Dy2O3 |
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Yttrium 41.32 % Y 52.47 % Y2O3 |
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Erbium 4.44 % Er 5.08 % Er2O3 |
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Titanium 4.77 % Ti 7.95 % TiO2 |
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Silicon 7.46 % Si 15.96 % SiO2 |
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Tin 3.94 % Sn 5.00 % SnO2 |
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Hydrogen 0.27 % H 2.39 % H2O |
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Oxygen 21.24 % O |
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Fluorine 10.09 % F 10.09 % F |
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- %
F -4.25 % -O=F2 |
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______ ______ |
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100.00 % 102.12 % = TOTAL OXIDE |
| Empirical Formula: |
Y3.5Dy0.3Er0.2Ti0.75Sn0.25(SiO4)2F4(OH)2 |
| Environment: |
Silicified alkalic granite near a gabbro-anothosite contact. Approved 1965, discredited 1987 as incompletly characterized. |
| IMA Status: |
Discredited IMA 1987 - Approved IMA 1965 |
| Locality: |
Kazakhstan. Link to MinDat.org Location Data. |
| Name Origin: |
Named in 1965 for the elemental makeup, (Y, F, Ti, Si). |
| Name Pronunciation: |
Yftisite-(Y)  |
| Synonym: |
Discredited IMA 1997 |
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ICSD 20003 |
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PDF 33-1462 |
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